Detected missing frames -- ASSERT in qvector.h

[mxklb]

After some time of running rtaudiostreamer (in debug mode):

Detected missing frames ..fer 147]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..fer 228]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..ffer 996]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..ffer 1018]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..uffer 1439]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..uffer 1650]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..uffer 2408]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..uffer 2639]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..uffer 2674]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..uffer 2676]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
Detected missing frames ..uffer 2732]  | Ch0: 0.0000305 [-45.2 dB] | Ch1: 0.0000305 [-45.2 dB]
ASSERT: "asize >= 0 && asize <= aalloc" in file /usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h, line 541
Aborted